Two-Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to isolate the variable and solve for its value.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is the first step to solve the equation x - 62 = 123?

Back

Add 62 to each side.

Front

What is the solution to the equation 3c + 5 = 23?

Back

c = 6.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

What is the solution to the equation 15 = 2a + 7?

Back

a = 4.

Front

How do you write an equation for a word problem?

Back

Identify the quantities involved, assign variables, and express the relationships using an equation.

Front

What is the equation for the problem: 331 students went on a field trip, with 6 buses filled and 7 students in cars?

Back

6x + 7 = 331.

Front

What is the solution to the equation 33 = 4a - 7?

Back

a = 10.

Front

What does it mean to perform inverse operations?

Back

Inverse operations are operations that undo each other, such as addition and subtraction or multiplication and division.